2,5-Dimethoxybenzenesulfonyl chloride → 5-(3,4-Dimethoxyphenyl)-2-{1-[(2,5-dimethoxyphenyl)sulfonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

HRID 524143Notes

Reaction equation

HRID 524143 reaction equation
Cl.[CH3:2][O:3][C:4]1[CH:5]=[C:6]([C:12]2[C:13]([CH3:25])([CH3:24])[C:14](=[O:23])[N:15]([CH:17]3[CH2:22][CH2:21][NH:20][CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11].[CH3:26][O:27][C:28]1[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][C:29]=1[S:36](Cl)(=[O:38])=[O:37]>>[CH3:2][O:3][C:4]1[CH:5]=[C:6]([C:12]2[C:13]([CH3:25])([CH3:24])[C:14](=[O:23])[N:15]([CH:17]3[CH2:22][CH2:21][N:20]([S:36]([C:29]4[CH:30]=[C:31]([O:34][CH3:35])[CH:32]=[CH:33][C:28]=4[O:27][CH3:26])(=[O:38])=[O:37])[CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11]

Participants

3

Reactant 2

HCID 1370252,5-Dimethoxybenzenesulfonyl chlorideHCID 666164065-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 462023965-(3,4-Dimethoxyphenyl)-2-{1-[(2,5-dimethoxyphenyl)sulfonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

Procedure

The title compound is prepared analogously as described for GP1 using 5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one hydrochloride (compound B1*HCl) and 2,5-dimethoxybenzenesulfonyl chloride as starting compounds. The crude product is purified by crystallization from methanol to yield the title compound.

Workup

  1. customThe title compound is prepared analogously
  2. customThe crude product is purified by crystallization from methanol

Sources & evidence

ORD record
ord-e5a6ef7c36984dd7902150a4a7a7803b
Source dataset
uspto-grants-2016_05
Patent number
US09340522B2

Reaction notes

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